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From "Sateesh Chodapuneedi (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-657) VMware vNetwork Distributed Virtual Switch support in CloudStack
Date Thu, 21 Feb 2013 01:10:11 GMT


Sateesh Chodapuneedi commented on CLOUDSTACK-657:

Sure Ilya, I will re-submit the patches after rebasing with latest 4.1 


> VMware vNetwork Distributed Virtual Switch support in CloudStack
> ----------------------------------------------------------------
>                 Key: CLOUDSTACK-657
>                 URL:
>             Project: CloudStack
>          Issue Type: New Feature
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: VMware
>         Environment: VMware vSphere 4.1/5.0/5.1
>            Reporter: Sateesh Chodapuneedi
>            Assignee: Sateesh Chodapuneedi
>             Fix For: 4.2.0
> Need to integrate the functionality of VMware dvSwitch with CloudStack. This enables
orchestration of virtual networks in VMware environment over distributed virtual switch inside
> Background:-
> -----------------
> VMware Distributed Switch is an aggregation of per-host virtual switches presented and
controlled as a single distributed switch through vCenter Server at the Datacenter level.
 vDS abstracts configuration of individual virtual switches and enables centralized provisioning,
administration, and monitoring.
> vDS is integral component of vCenter. Hence the native vDS support makes sense for wider
and larger deployments of Cloudstack over vSphere.
> Each Standard vSwitch represents an independent point of configuration that needs to
be managed and monitored. The management of virtual networks required by instances in the
cloud is tedious when virtual networks have to span across large number of hosts. Using distributed
vSwitch (vDS) simplifies the configuration and monitoring.
> Being standalone implementations, standard vSwitches do not provide any support for virtual
machine mobility. So there needed a component  to ensure that the network configurations on
the source and the destination virtual switch are consistent and will allow the VM to operate
without breaking connectivity or network policies. Particularly during migration of VM across
hosts, the sync up among peers need to be taken care.  However in case of distributed vSwitch
during VMotion, the vCenter server, would update the vSwitch modules on the hosts in cluster
> Following features are available with a Distributed Switch over and above Standard vSwitch
of vSphere.
> 1. Shaping of inbound (RX) traffic
> 2. Supports a central unified management interface through vCenter Server
> 3. Supports Private VLANs (PVLANs)
> 4. Provides potential customization of Data and Control Planes
> 5. Increased visibility of inter-virtual machine traffic through Netflow
> 6. Improved monitoring through port mirroring (dvMirror)
> 7. Support for LLDP (Link Layer Discovery Protocol), a vendor-neutral protocol.
> Release Planning:
> Dev list discussions:
> Functional Spec:
> Feature branch: reviewboard submission

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